1)EDTA-Na2.2H2OMolecular Formula: C10H14N2Na2O8.2H2O, Molecular Weight: 373.2, Appearance: White powder, Content: 99% min, Chelated value (PH=11): 267mg CaCO3/g, PH(5% solution): 4-6, Heavy metal (as Pb): 0.005% max, Fe: 0.005% max, Loss on drying: 8-10%, Cl: 0.005% max. 2)EDTA. Na4.4H2O Molecular Formular: C10H12O8N2Na4.4H2O, Molecular Weight: 452.23, Appearance: White powder, Assay: 99% min, Cu&Mn: 0.005% max, Pb: 0.005% max, PH(1% of the solution): 10.9-11.4, CaCO3 (mg/g): 225 min, Packin...
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